"Dong Yi" is a historical drama based on the life of Dong-yi later known as Suk-bin Choi. She worked in the royal palace as a lowly water maid. King Sok-jong then selected Choi as his concubine. Choi would then give birth to Yeong-jo, the second son of King Sok-jong and the future king of Joseon. After the birth of Yeong-jo, Dong-yi would become Suk-bin.